{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a legendary spell, and that spell can't be countered.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

When this creature enters, each player sacrifices a nontoken creature of their choice.

Flash When this creature enters and whenever an opponent draws a card except the first one they draw in each of their draw steps, this creature deals 1 damage to any target. Then amass Orcs 1.

Activated abilities of artifacts can't be activated.

Defender Put a -0/-1 counter on this creature: Add {G}. Activate only once each turn.

As long as there are four or more card types among cards exiled with this creature, it gets +4/+4 and has trample. {1}: Exile target card from a graveyard.

Vigilance This creature gets +1/+1 for each creature card in your graveyard. {T}, Sacrifice another creature: Search your library for a land card, put it onto the battlefield tapped, then shuffle.

Flash Reach When this creature enters, up to one target player puts all the cards from their graveyard on the bottom of their library in a random order. Evoke—Exile a green card from your hand.

Protection from Humans Pay 1 life, Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a card. {B}{B}, Discard a card: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

You may spend mana as though it were mana of any color to activate abilities of creatures you control. Creatures you control with +1/+1 counters on them have all activated abilities of all creature cards exiled with Agatha's Soul Cauldron. {T}: Exile target card from a graveyard. When a creature card is exiled this way, put a +1/+1 counter on target creature you control.

Destroy target creature if it has mana value 2 or less. Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent left the battlefield under your control this turn.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

Search your library for a green creature card with mana value X or less, put it onto the battlefield, then shuffle. Shuffle Green Sun's Zenith into its owner's library.

As long as Grist isn't on the battlefield, it's a 1/1 Insect creature in addition to its other types. +1: Create a 1/1 black and green Insect creature token, then mill a card. If an Insect card was milled this way, put a loyalty counter on Grist and repeat this process. −2: You may sacrifice a creature. When you do, destroy target creature or planeswalker. −5: Each opponent loses life equal to the number of creature cards in your graveyard.

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

{T}: Add {C}. {T}, Sacrifice a creature: Add {B}{B}.

({T}: Add {B}.)

{T}: Add {G}. Channel — {1}{G}, Discard this card: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs {1} less to activate for each legendary creature you control.

(This land isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")

({T}: Add {G}.)

This land enters tapped unless you control a Forest. {T}: Add {G}. Delirium — {2}{G}{G}: This land becomes a copy of target permanent card in your graveyard until end of turn. Activate only if there are four or more card types among cards in your graveyard.

This land enters tapped unless you control two or fewer other lands. {T}: Add {B} or {G}.

{T}, Pay 1 life: Add {B} or {G}. {1}, {T}, Sacrifice this land: Draw a card.

({T}: Add {B} or {G}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {B} or {G}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

{T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.